JPS63161603A - Permanent magnet - Google Patents
Permanent magnetInfo
- Publication number
- JPS63161603A JPS63161603A JP30772886A JP30772886A JPS63161603A JP S63161603 A JPS63161603 A JP S63161603A JP 30772886 A JP30772886 A JP 30772886A JP 30772886 A JP30772886 A JP 30772886A JP S63161603 A JPS63161603 A JP S63161603A
- Authority
- JP
- Japan
- Prior art keywords
- rare earth
- magnet
- curing agent
- permanent magnet
- magnets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 24
- 150000002910 rare earth metals Chemical group 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 239000003822 epoxy resin Substances 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 8
- 229920001187 thermosetting polymer Polymers 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 abstract description 4
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 abstract description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract description 4
- -1 aliphatic group amine Chemical class 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 3
- 150000001412 amines Chemical class 0.000 abstract description 2
- 125000003118 aryl group Chemical group 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000000748 compression moulding Methods 0.000 description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 229910000828 alnico Inorganic materials 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000002075 main ingredient Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 229910002476 CuII Inorganic materials 0.000 description 1
- 239000004230 Fast Yellow AB Substances 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 235000006694 eating habits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
この発明は、自動車、家庭電化製品、音響製品１時計等
々の永久磁石が使用される分野において利用される耐食
性に優れた永久磁石に関するものである。[Detailed Description of the Invention] [Objective of the Invention] (Industrial Field of Application) This invention is a magnet with excellent corrosion resistance that is used in fields where permanent magnets are used, such as automobiles, home appliances, audio products, and watches. It concerns permanent magnets.
（従来の技術）
近年、従来のアルニコ磁石やフェライト磁石に代わって
、磁気特性にすぐれた永久磁石として。(Prior technology) In recent years, permanent magnets with excellent magnetic properties have been used in place of conventional alnico magnets and ferrite magnets.
Ｓ ｍ −’Ｃｏ系やＮｄ−Ｆｅ系などの希土類永久磁
石が社目されるようになってきており、その用途がより
広く拡大する傾向にある。Rare earth permanent magnets such as S m -'Co-based and Nd-Fe-based permanent magnets are becoming popular, and their uses tend to expand more widely.
従来、この種の希土類永久磁石としては、例えばＮｄ−
Ｆｅ−Ｂ系の水１、磁石において、Ｎｄ−Ｆｅ−Ｂ系粉
宋の成形→焼結の工程により製造されるＮｄ−Ｆｅ−Ｂ
系焼結磁石、あるいは超急冷Ｎｄ−Ｆｅ−Ｂ系粉末を用
いて射出成形や圧縮成形することにより製造されるＮｄ
−Ｆｅ−Ｂ系プラスチック磁石、あるいはホラ・トプレ
ヌ法やアプセット法により高密度化や異方性化して製造
されるＮｄ−Ｆｅ−Ｂ系水久磁石などがあった。Conventionally, as this type of rare earth permanent magnet, for example, Nd-
Fe-B-based water 1, Nd-Fe-B manufactured by the process of Nd-Fe-B powder forming → sintering in magnets
Nd manufactured by injection molding or compression molding using sintered magnets or ultra-quenched Nd-Fe-B powder.
-Fe-B plastic magnets, and Nd-Fe-B-based Mizuku magnets manufactured by increasing density and anisotropy by the Horat-Toprene method or the upset method.
（発明が解決しようとする問題点）
このような希土類永久磁石は、上記した従来のアルニコ
磁石やフェライト磁石などに比べて、磁気特性にかなり
優れているものの、耐食性があまり良くないという問題
点があった。(Problems to be Solved by the Invention) Although these rare earth permanent magnets have considerably superior magnetic properties compared to the conventional alnico magnets and ferrite magnets described above, they have a problem in that their corrosion resistance is not very good. there were.
（発り１ｊの目的）
この発明は、上述した従来の問題点に右目してなされた
もので、磁気特性に優れているとともに、耐食性にも優
れている右上類系の永久磁石を提供することを目的とし
ている。(Purpose of Origin 1j) This invention was made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a permanent magnet of the above-mentioned type that has excellent magnetic properties and excellent corrosion resistance. It is an object.
［発明の構成コ （問題点を解決するだめの手段） この発明による永久磁石は、希」−類焼結磁石。[Components of the invention (Failure to solve the problem) The permanent magnet according to the present invention is a rare type sintered magnet.
希土類プラスチック磁石、希土類異方性磁石などの希土
類永久磁石の表面に、熱硬化性樹脂の硬化剤を塗布して
なるものであることを特徴としている。It is characterized by being made by coating the surface of a rare earth permanent magnet such as a rare earth plastic magnet or a rare earth anisotropic magnet with a thermosetting resin curing agent.
この発明が適用される泥土類永久磁石としては、粉末の
成形→焼結により作られる希土類焼結磁石、超急冷希土
類磁石粉末を用いて射出成形あるいは圧縮成形して作ら
れるプラスチック希土類磁石、ホントブレスやアプセッ
トにより高密度化ないしは異方性化して作られる希土類
磁石などがある。The mud permanent magnets to which this invention is applied include rare earth sintered magnets made by powder molding and sintering, plastic rare earth magnets made by injection molding or compression molding using ultra-quenched rare earth magnet powder, and true breath magnets. There are also rare earth magnets that are made with higher density or anisotropy through upsetting.
そして、永久磁石合金の成分組成としては、例えば、希
土類−コバルト系の永久磁石として、ＲＭＳ系、例えば
Ｓｍ（Ｃｏ、Ｆｅ、ＣｕＩＩ ６６） ５系や、Ｒ２Ｍ
１７系、例えばＳｍ２（Ｃｏ、Ｆｅ、Ｃｕ番・争）＋７
系なと゛のものがあり、希土類−鉄系の永久磁石として
、Ｒｌ、 、ｓ 、 （Ｆ ｅ （Ｎ ｉ、 Ｍ
ｎ 、 Ｇ ｏ ） １α
Ｘβ間アで表わされ、Ｒは希土類元素の１種以上、Ｘは
Ｂ、Ｃ，Ｎ、Ｓｔ、Ｐの１種以上、ＭはＴｉ、Ｚｒ、Ｈ
ｆ、Ｖ、Ｎｂ、Ｔａ、Ｃｒ。As for the component composition of the permanent magnet alloy, for example, as a rare earth-cobalt-based permanent magnet, RMS system, for example, Sm (Co, Fe, CuII 66) 5 system, R2M
17 series, for example Sm2 (Co, Fe, Cu number/war) +7
There are rare earth-iron permanent magnets such as Rl, , s, (F e (N i, M
n, Go) 1α Xβ, where R is one or more rare earth elements, X is one or more of B, C, N, St, and P, and M is Ti, Zr, and H.
f, V, Nb, Ta, Cr.
Ｍ ｏ 、 Ｗ 、 Ａ文、Ｚｎ、Ｇａ、Ｉｎ、ＴＪＩ
等の１種以上であって、より望ましくは、０．６０≦α
≦０．８５．０＜β≦０．１５．０≦γ≦０゜０１から
なるものなどがあるが、とくに限定はされない。Mo, W, A sentence, Zn, Ga, In, TJI
More preferably, 0.60≦α
There are some that satisfy ≦0.85.0<β≦0.15.0≦γ≦0°01, but there is no particular limitation.
そして、この発明による永久磁石は、上記希土類磁石合
金からなる成形体あるいは焼結体の表面に、熱硬化性樹
脂の硬化剤、例えば主剤がエポキシ樹脂である場合の硬
化剤であるカルボキシを有するフタル酸無水物や、脂肪
族系アミン、芳香族系アミンなどを塗布して、そのｌｉ
＃食性を向上させたことを特徴とするものである。The permanent magnet according to the present invention has a hardening agent for a thermosetting resin, for example, a phthalate containing carboxy, which is a hardening agent when the main material is an epoxy resin, on the surface of a molded or sintered body made of the rare earth magnet alloy. Apply acid anhydrides, aliphatic amines, aromatic amines, etc. to
#It is characterized by improved eating habits.
（実施例１）
超急冷した３ＯＮｄ−１，０Ｂ−Ｆｅの磁石粉末（粒径
２００ ｇｍ以下）に、エポキシ樹脂を２．０重量％添
加程合したのち、７．０ｔｏｎ／ａｍ２の加圧力で圧縮
成形することにより、直径１１ｍｍ、高さ１０ｍｍの円
柱状成形体を得た。(Example 1) After adding 2.0% by weight of epoxy resin to ultra-quenched 3ONd-1,0B-Fe magnet powder (particle size 200 gm or less), it was added with a pressure of 7.0 ton/am2. By compression molding, a cylindrical molded body with a diameter of 11 mm and a height of 10 mm was obtained.
次いで、前記成形体に対し、１５０°Ｃ！Ｘ４Ｈｒの条
件で加熱してキュア処理を施した。Next, the molded body was heated to 150°C! Cure treatment was performed by heating under the conditions of X4Hr.
次に、上記キュア処理を施したプラスチック磁石の表面
に、熱硬化性樹脂（この場合はエポキシ樹脂）の硬化剤
であるカルボキシを有するフタル酸無水物（日本ベルノ
ックス（株）製ＨＶ−５０４、ＸＶ−２２３０の２種類
）をそれぞれ全面に約３０ｇｍの厚さで塗布したのち、
１２０°Ｃで１時間加熱して乾燥した。Next, on the surface of the plastic magnet subjected to the above-mentioned curing treatment, phthalic anhydride (HV-504 manufactured by Nippon Bellnox Co., Ltd.) having carboxy, which is a curing agent for a thermosetting resin (in this case, an epoxy resin), was applied. After applying two types of XV-2230) to a thickness of approximately 30 gm on the entire surface,
It was dried by heating at 120°C for 1 hour.
また、比較のために、Ｌ記カルボキンを有するフタル酸
無水物を塗布しないほかは全く同一であるプラスチック
磁石を用意して、各磁石に対し、温度５０ ’Ｃ、湿度
９８％９時間９８Ｈｒの条件で湿、７．＊ｌ試験を行い
、目視によって錆発生の有無を調 ′べた。また、参考
までに湿潤試験前後の磁気特性（最大エネルギＸＡ（Ｂ
Ｈ）ｍａｘ）を調べた。これらの結果を第１表に示す。For comparison, we prepared plastic magnets that were exactly the same except that they were not coated with phthalic anhydride having L carboquine, and each magnet was subjected to conditions of a temperature of 50'C and a humidity of 98% for 9 hours and 98 hours. damp, 7. *A test was conducted to visually check for the presence or absence of rust. For reference, the magnetic properties before and after the wet test (maximum energy XA (B
H) max) was investigated. These results are shown in Table 1.
第１表に示す結果より明らかなように、表面に熱硬化性
樹脂の硬化剤を塗布しない供試＋、１の場合には、ｉ！
！！潤試験後において錆の発生が全面に認められ、磁石
表面近傍が変質したために磁気特性が低下してしまうこ
とが確認された。As is clear from the results shown in Table 1, in the case of samples + and 1 in which no thermosetting resin curing agent was applied to the surface, i!
! ! After the moisture test, rust was observed all over the surface, and it was confirmed that the magnetic properties were degraded due to deterioration near the magnet surface.
これに対して硬化剤であるカルボキシを有するフタル酸
無水物を全面に塗布した供試陽、２゜３の場合には、湿
潤試験後において錆の発生は全く認められず、磁気特性
の低下も生じなかった。On the other hand, in the case of the 2°3 sample coated with phthalic anhydride containing carboxy as a hardening agent, no rust was observed after the wet test, and there was no deterioration in magnetic properties. It did not occur.
（実施例２）
平均粒径４．０７ｚｍの３３Ｎｄ−１，３８−Ｆｅ合金
微粉末を１．０Ｌｏｎ／ｃｍ２ｃｙ）加圧力で圧縮成形
することにより、直径２０ｍｍ、高さ８ｍｍの成形体を
得た０次いで、前記成形体をＡｒ雰囲気中において１１
００℃ｘｉＨｒの条件で焼結したのち、６００℃ＸＩＨ
ｒの条件で時効処理を施した。(Example 2) A compact with a diameter of 20 mm and a height of 8 mm was obtained by compression molding 33Nd-1,38-Fe alloy fine powder with an average particle size of 4.07 zm at a pressure of 1.0 Lon/cm2cy. 0 Then, the molded body was placed in an Ar atmosphere for 11
After sintering under the conditions of 00℃xiHr, 600℃XIH
Aging treatment was performed under the conditions of r.
次いで、得られた焼結磁石の表面に、熱硬化性樹脂（こ
の場合はエポキシ樹脂）の硬化剤である脂肪族系アミン
（日本ベルノックス（株）製ＨＹ−３０８、ＨＹ−６８
０の２種類）をそれぞれ全面に約３０ｕＬｍの厚さで塗
布したのち、１２０℃で１時間加熱して乾燥した。Next, aliphatic amines (HY-308, HY-68 manufactured by Nippon Bellnox Co., Ltd.), which are curing agents for thermosetting resins (epoxy resins in this case), are applied to the surface of the obtained sintered magnets.
0) was coated on the entire surface to a thickness of about 30 μLm, and then heated at 120° C. for 1 hour to dry.
また、比較のために、上記脂肪族系アミンを塗布しない
ほかは全く同一である焼結磁石（第２表の供試陽、４）
と、主剤であるエポキシ樹脂（日本ベルノックス−製Ｍ
Ｅ−１０５）のみを全面に約１０Ｂｍの厚さで塗布した
前記と同一の焼結磁石（第２表の供試陽、５）と、主剤
である前記エポキシ樹脂と硬化剤である前記脂肪族系ア
ミンとを２：ｌの割合で混合したものを全面に約１０ｐ
ｍの厚さで塗布した前記と同一の焼結磁石（第２表の供
試陽、６）と、を用意して、各磁石（Ｎｏ、 ４〜８）
に対し、温度５０″Ｃ２湿度９８％９時間９６Ｈｒの条
件で湿潤試験を行い。For comparison, we also used a sintered magnet that was completely the same except that it was not coated with the aliphatic amine (sample 4 in Table 2).
and the main ingredient epoxy resin (M made by Nippon Bellnox)
The same sintered magnet as above (sample 5 in Table 2) coated only with E-105) to a thickness of about 10 Bm, and the epoxy resin as the main ingredient and the aliphatic resin as the curing agent. Approximately 10p of a mixture of 2:1 and amines is applied to the entire surface.
Prepare the same sintered magnet as above (No. 6 in Table 2) coated with a thickness of m, and apply each magnet (No. 4 to 8).
On the other hand, a humidity test was conducted under the conditions of temperature 50''C2 humidity 98% 9 hours 96 hours.
目視によって錆発生の有無を調べた。また、参考までに
湿温試験前後の磁気特性（最大エネルギ積（ＢＨ）ｍａ
ｘ）を調へた。これらの結果を第２表に示す。The presence or absence of rust was visually inspected. For reference, the magnetic properties (maximum energy product (BH) ma
x) was determined. These results are shown in Table 2.
第２表に示す結果より明らかなように、表面に熱硬化性
樹脂の硬化剤を塗４ｉ Ｌない供試崩、４の場合には、
湿潤試験後において錆の発生が全面に認められ、磁気特
性が大幅に低下していることが確かめられた。また、焼
結磁石の表面に主剤のみを塗布した供試崩、５の場合、
および主剤＋硬化剤（混合比は２：１）を９７Ｄした供
試陽、６の場合においてもいずれも錆発生が認められ、
磁気特性も大幅に低ｒした。As is clear from the results shown in Table 2, in the case of test sample 4 without a thermosetting resin curing agent applied to the surface,
After the wet test, rust was observed all over the surface, and it was confirmed that the magnetic properties had significantly deteriorated. In addition, in the case of test sample 5, in which only the main compound was applied to the surface of the sintered magnet,
Rust formation was also observed in both cases of test positive and 6 in which the main agent + curing agent (mixing ratio was 2:1) was 97D.
The magnetic properties were also significantly lowered.
これに対して、硬化剤である脂肪族系アミンのみを全面
に塗布した供試１ｂ、７．８の場合には１、’ｌ ｆｌ
ＦＪ試験後においてｔ＾の発生は全く認められず、磁気
特性の低下も生じなかった。On the other hand, in the case of sample 1b, 7.8, in which only the aliphatic amine as a curing agent was applied to the entire surface, 1,'l fl
No occurrence of t^ was observed after the FJ test, and no deterioration of magnetic properties occurred.
［発明の効果］
以上説明してきたように、この発明による永久磁石では
、成形体や焼結体などからなる希土類永久磁石の表面に
、熱硬化性樹脂の硬化剤を塗布してなるものであるから
、磁気特性に優れているのみならす、耐食性にもかなり
優れたものであるという非常に優れた効果がもたらされ
る。[Effects of the Invention] As explained above, the permanent magnet according to the present invention is made by applying a hardening agent of a thermosetting resin to the surface of a rare earth permanent magnet made of a molded body, a sintered body, etc. Therefore, not only does it have excellent magnetic properties, but it also has very good corrosion resistance.
Claims (2)
希土類永久磁石の表面に、熱硬化性樹脂の硬化剤を塗布
してなることを特徴とする永久磁石。(1) A permanent magnet characterized by applying a hardening agent of a thermosetting resin to the surface of a rare earth permanent magnet such as a rare earth sintered magnet or a rare earth plastic magnet.
であることを特徴とする特許請求の範囲第（１）項に記
載の永久磁石。(2) The permanent magnet according to claim (1), wherein the thermosetting resin curing agent is an epoxy resin curing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30772886A JPS63161603A (en) | 1986-12-25 | 1986-12-25 | Permanent magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30772886A JPS63161603A (en) | 1986-12-25 | 1986-12-25 | Permanent magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63161603A true JPS63161603A (en) | 1988-07-05 |
Family
ID=17972541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30772886A Pending JPS63161603A (en) | 1986-12-25 | 1986-12-25 | Permanent magnet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63161603A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7324455B2 (en) | 2003-03-14 | 2008-01-29 | International Business Machines Corporation | Transfer of error-analysis and statistical data in a fibre channel input/output system |
-
1986
- 1986-12-25 JP JP30772886A patent/JPS63161603A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7324455B2 (en) | 2003-03-14 | 2008-01-29 | International Business Machines Corporation | Transfer of error-analysis and statistical data in a fibre channel input/output system |
| US7609643B2 (en) | 2003-03-14 | 2009-10-27 | International Business Machines Corporation | Transfer of error-analysis and statistical data after retry in a fibre channel input/output system |
| US7675865B2 (en) | 2003-03-14 | 2010-03-09 | International Business Machines Corporation | Transfer of error-analysis and statistical data in a fibre channel input/output system |
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